Universal Licensing System
WFI9
Aviation Spectrum Resources Inc
License details
| ULS identifier | 1975218 |
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| Call sign | WFI9 |
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| Radio service | AF |
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| Status | A |
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| Grant date | 2018-11-01 |
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| Expiration | 2028-11-17 |
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| Frequency range | 131.7 MHz |
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| Locations | 1 |
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| Representative location | BOSTON, SUFFOLK, MA |
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| Coordinates | 42.3632500, -71.0249722 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:30 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FA | 131.70000000 | | | 5.000000 | | RL |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 131.70000000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | LOGAN INTERNATIONAL AIRPORT, BOSTON, SUFFOLK, MA | 42.36325000, -71.02497222 | 13.000 m | BANT | 11.000 m structure / 14.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 14.000 m | | | 360.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2018-11-01 | WFI9 | LIREN |
| 2018-08-27 | WFI9 | LETRES |
| 2015-02-06 | WFI9 | LIAUA |
| 2015-02-05 | WFI9 | LIAUA |
| 2015-02-05 | WFI9 | ESUAPR |
| 2015-02-04 | WFI9 | ESUAPR |
| 2008-10-22 | WFI9 | LIREN |
| 2008-08-25 | WFI9 | LETRES |
| 2007-03-01 | WFI9 | AUTHPR |
| 2006-03-07 | WFI9 | AUTHPR |
| 2006-01-01 | WFI9 | LIASS |
| 2005-07-25 | WFI9 | ESCAPR |
| 2003-10-07 | WFI9 | LIREN |
| 2003-08-25 | WFI9 | LETRES |
| 2001-04-27 | WFI9 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1975218 | 2026-08-02 02:08:30 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WFI9 | ULS 1975218 | 2026-08-02 02:08:30 |
| Status | A | ULS 1975218 | 2026-08-02 02:08:30 |
| Service | AF | ULS 1975218 | 2026-08-02 02:08:30 |
| Grant Date | 2018-11-01 | ULS 1975218 | 2026-08-02 02:08:30 |
| Expiration Date | 2028-11-17 | ULS 1975218 | 2026-08-02 02:08:30 |